(1) The head of an FOI body shall, on application to him or her in that behalf, in writing or in such other form as may be determined, by a person who is affected by an act of the body and has a material interest in a matter affected by the act or to which it relates, not later than 4 weeks after the receipt of the application, cause a statement, in writing or in such other form as may be determined, to be given to the person -

(a) of the reasons for the act, and

(b) of any findings on any material issues of fact made for the purposes of the act.

(2) Nothing in this section shall be construed as requiring -

(a) the giving to a person of information contained in a record which would fall to be refused as an exempt record, or

(b) the disclosure of the existence or non-existence of a record if the non-disclosure of its existence or non-existence is required by this Act.

(3) Subsection (1) shall not apply to -